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add hint about chunker params to borg upgrade docs, fixes #2421

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(cherry picked from commit f0188449c3)
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Thomas Waldmann 2017-04-25 22:47:18 +02:00
parent c8c773bac3
commit a87f35b0cc
1 changed files with 7 additions and 2 deletions
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9
borg/archiver.py
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@ -1809,8 +1809,13 @@ class Archiver:
Currently, only LOCAL repositories can be upgraded (issue #465).
It will change the magic strings in the repository's segments
to match the new Borg magic strings. The keyfiles found in
Please note that ``borg create`` (since 1.0.0) uses bigger chunks by
default than old borg or attic did, so the new chunks won't deduplicate
with the old chunks in the upgraded repository.
See ``--chunker-params`` option of ``borg create`` and ``borg recreate``.
``borg upgrade`` will change the magic strings in the repository's
segments to match the new Borg magic strings. The keyfiles found in
$ATTIC_KEYS_DIR or ~/.attic/keys/ will also be converted and
copied to $BORG_KEYS_DIR or ~/.config/borg/keys.